Heat developable light-sensitive material

Details Heat developable light-sensitive material Heat developable light-sensitive material

1976-07-26

1978-02-28

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

961141, 96 95, G03C 524, G03C 106, G03C 102

Patent

active

040765342

ABSTRACT:
A heat developable light-sensitive material comprising a support having thereon at least one light-sensitive layer containing (1) an oxidation-reduction image-forming combination of (a) a silver salt oxidizing agent and (b) a reducing agent and (2) a catalytic amount of a light-sensitive silver halide or a compound capable of reacting with the silver salt (a) to form a light-sensitive silver halide, the light-sensitive layer further containing (3) at least one specific phthalazinone compound. The development of the above light-sensitive material is carried out simply by heating the material at a temperature of about 90.degree. to 180.degree. C. for 1 to 60 seconds after imagewise exposure. An image of black tone can be obtained without contaminating the developing machine.

REFERENCES:
patent: 3080254 (1963-03-01), Grant
patent: 3547648 (1970-12-01), Sagawa
patent: 3645739 (1972-02-01), Ohkubo et al.
patent: 3885967 (1975-05-01), Sashihara et al.

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